docs: def get_queryset(self, request):
          """
          Show only DRAFT Fluent page items in admin.
  
          NOTE: We rely on the `UrlNode.status` to recognise DRAFT versus
          PUBLISHED objects, since there the top-level `UrlNode` model and
          queryset don't know about ICEKit publishing.
          """
          self.request = request
  
          qs = super(PublishingFluentPagesParentAdminMixin, self) \
              .get_queryset(request)
          qs = qs.filter(status=UrlNode.DRAFT)
          return qs